Used GMC 6 Speed Trucks For Sale in United States

Your Current Search
Industry
Trucks
Manufacturer
GMC
Transmission Speeds
6 Speed
Condition
Used
Country
United States
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (957)
Cars (1)
Make
GMC (958)
Model
Select a category to view available models.
Condition
Used (958)
Model Year
-
GVWR Category
Transmission Type
Transmission Speed
6 Speed (958)
Drive Train
Suspension Type
Cab Style
Fuel Type
Mileage
-
Horsepower
-
Price
-
Country
United States (958)
State / Region
Select a state below and click Refine Results.











































Market Type
For Sale (958)

Showing 251 - 275 of 958 Listings

251 - 275 of 958 listings
251 - 275 of 958 listings
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$30,750 USD
Used 2021 GMC G33903 Box Truck for sale, 116,093 miles, 401HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door. Check...
ConditionUsed
Usage116,093 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620302
MLS Number14116619
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/1/2026
Location
Garland, TX, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$30,250 USD
Used 2021 GMC G33903 Box Truck for sale, 103,543 miles, 401HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 126" height, roll-up door. Check it...
ConditionUsed
Usage103,565 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620261
MLS Number14101952
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
Mount Juliet, TN, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$28,500 USD
Used 2021 GMC G33903 Box Truck for sale, 114,333 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, roll up door, 33-gallon fuel capacity....
ConditionUsed
Usage114,333 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620259
MLS Number14116616
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Daytona Beach, FL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$26,500 USD
Used 2021 GMC G33903 Box Truck for sale, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 177" wheelbase, 33-gallon fuel capacity, roll-up door....
ConditionUsed
Usage107,400 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620236
MLS Number14116600
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
Phoenix, AZ, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$27,750 USD
Used 2021 GMC G33903 Box Truck for sale, 127,154 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 33-gallon fuel capacity, roll-up door. Come...
ConditionUsed
Usage127,156 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620144
MLS Number14077677
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Ladson, SC, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$31,250 USD
Used 2021 GMC G33903 Box Truck for sale, 105,732 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, spring suspension. Check it...
ConditionUsed
Usage105,732 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620122
MLS Number14099458
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2026
Location
Melrose Park, IL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$32,250 USD
Used 2021 GMC G33903 Box Truck for sale, 91,732 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, white with roll-up door. Check...
ConditionUsed
Usage91,800 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620079
MLS Number14101950
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2026
Location
Ashland, VA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$29,750 USD
Used 2021 GMC G33903 Box Truck for sale, 105,079 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door....
ConditionUsed
Usage105,080 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91620055
MLS Number14116584
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Pensacola, FL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 115,633 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, gasoline fuel, 8,600 lb single rear axle, roll-up door, white, 177” wheelbase....
ConditionUsed
Usage115,633 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619984
MLS Number14116580
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/30/2026
Location
Garden City, GA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 95,300 miles, 401 HP 6.6L V8 GMC engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 33-gallon fuel capacity, spring suspension....
ConditionUsed
Usage95,301 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619842
MLS Number14087863
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2026
Location
Londonderry, NH, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$27,000 USD
Used 2021 GMC G33903 Box Truck for sale, 113,513 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle, 8,600 lbs axle, roll up door, 126-inch height. Check...
ConditionUsed
Usage113,513 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619749
MLS Number14116564
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/1/2026
Location
Chicopee, MA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$23,500 USD
Used 2021 GMC G33903 Box Truck for sale, 108,653 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8600 lbs, 33-gallon fuel capacity, yellow with...
ConditionUsed
Usage108,653 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619450
MLS Number14116555
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
Phoenix, AZ, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 83,274 miles, 401 HP 6.6L V8 GMC gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, spring suspension. Check it out today!
ConditionUsed
Usage86,128 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619440
MLS Number13843379
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
Liverpool, NY, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$25,750 USD
Used 2021 GMC G33903 Box Truck for sale, 115,351 miles, 401HP 6.6LV8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, spring suspension, 33-gallon fuel capacity....
ConditionUsed
Usage115,351 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619143
MLS Number14101939
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Piqua, OH, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$29,500 USD
Used 2021 GMC G33903 Box Truck for sale, 79,481 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door. Check...
ConditionUsed
Usage81,800 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91619009
MLS Number14081735
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
Saint Louis, MO, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$30,000 USD
Used 2021 GMC G33903 box truck for sale, 92,908 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lb single rear axle, 177" wheelbase, 33-gallon fuel capacity....
ConditionUsed
Usage92,917 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618982
MLS Number14116503
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
Fort Worth, TX, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$27,000 USD
Used 2021 GMC G33903 Box Truck for sale, 105,359 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177" wheelbase, roll-up door. Check it...
ConditionUsed
Usage105,359 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618873
MLS Number14116476
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/1/2026
Location
Pensacola, FL, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$21,500 USD
Used 2021 GMC G33903 Box Truck for sale, 131,283 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, roll-up door, 33-gallon fuel capacity....
ConditionUsed
Usage131,283 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618580
MLS Number14116458
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Phoenix, AZ, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$28,750 USD
Used 2021 GMC G33903 Box Truck for sale, 86,512 miles, 401HP 6.6LV8 GMC engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, roll-up door, 177" wheelbase. Check...
ConditionUsed
Usage86,872 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618345
MLS Number12682068
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/4/2026
Location
West Sacramento, CA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$29,250 USD
Used 2021 GMC G33903 Box Truck for sale, 96,848 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 177-inch wheelbase, yellow with roll-up...
ConditionUsed
Usage96,849 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91618340
MLS Number14081702
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/29/2026
Location
Omaha, NE, US
Sold By
Penske Used Trucks
GMC G33705 Cargo Van - 6.0LV8, 341HP, 6 Speed Automatic

2020 GMC G33705 Cargo Van - 6.0LV8, 341HP, 6 Speed Automatic

$33,250 USD
Used 2020 GMC G33705 Cargo Van with 83,883 miles, 6.0LV8 gasoline engine delivering 341 HP, 6-speed automatic transmission, single rear axle, spring suspension, and 31-gallon fuel capacity....
ConditionUsed
Usage83,951 Miles
Duty ClassLight Duty Cargo Van
Horse Power341 HP
Engine ModelGMC 6.0LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,084 lb 3.42 ratio
Stock Number374305
MLS Number14014555
CategoryCargo Vans
Last Updated1/29/2026
Location
La Mirada, CA, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2022 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

Price Drop $34,000 USD
Used 2022 GMC G33903 Box Truck for sale, 68,818 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle with 8,600 lbs capacity, roll-up door. Check it out...
ConditionUsed
Usage68,819 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number252098
MLS Number13406648
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Morrisville, NC, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2022 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$33,250 USD
Used 2022 GMC G33903 Box Truck for sale, 114,130 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 177-inch wheelbase, roll-up door. Check it...
ConditionUsed
Usage114,931 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91626625
MLS Number14114720
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2026
Location
Kalamazoo, MI, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2022 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$32,500 USD
Used 2022 GMC G33903 Box Truck for sale, 88,335 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 177-inch wheelbase, 33-gallon fuel capacity...
ConditionUsed
Usage88,612 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91625140
MLS Number14082647
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/31/2026
Location
Kansas City, MO, US
Sold By
Penske Used Trucks
GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

2022 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door

$28,500 USD
Used 2022 GMC G33903 Box Truck for sale, 105,836 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, 8600 lbs single rear axle, 126" height, roll-up door. Check it out!
ConditionUsed
Usage106,166 Miles
Duty ClassLight Duty Box Truck
Horse Power401 HP
Engine ModelGMC 6.6LV8
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End8,600 lb 4.10 ratio
Door TypeRoll up
Stock Number91624942
MLS Number14114718
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/3/2026
Location
Belden, MS, US
Sold By
Penske Used Trucks
Did you find what you were looking for? Yes No